raspian, jessie full install on a raspi 3b, mouse in heavy syrup.

[Eric Gunther]

On Wed, 2016-11-30 at 09:35 -0500, Gene Heskett wrote:
> On Wednesday 30 November 2016 06:38:36 Eric Gunther wrote:
> 
> > On Wed, 2016-11-30 at 00:52 -0500, Gene Heskett wrote:
> > > Greetings all;
> > > 
> > > I've no clue if any of you are familar with raspian, built for
> > > the
> > > armhf
> > > SBC's..
> > > 
> > > I just installed it, and I am pleasantly surprised, it does
> > > almost
> > > everything well, except:
> > > 
> > > When the mouse is moved, there is a huge lag, taking a fat second
> > > to
> > > move
> > > the pointer to the new location, like there is a low pass filter
> > > in
> > > the
> > > data path between the mouses data coming into the usb port, and
> > > where its fed into X. There is a tuning utility for kbd and
> > > rodent,
> > > and it does seem to have some slight effect on how it moves but
> > > the
> > > extremes of
> > > the two sliders have no effect on this moving in cold molasses
> > > motion.
> > > Its very distracting, taking around 4 to 6 seconds to do
> > > something
> > > with
> > > the mouse, that I can do in a second or less on a Dell 6 feet
> > > away
> > > running a milling machine.
> > > 
> > > Clues checked, url's read etc.
> > > 
> > > Thanks all.
> > > 
> > > Cheers, Gene Heskett
> > 
> > I think you need to edit cmdline.txt.  I believe its in the boot
> > directory.  It will look like this:
> > 
> > dwc_otg.lpm_enable=0
> > console=ttyAMA0,115200
> > kgdboc=ttyAMA0,115200
> > console=tty1
> > root=/dev/mmcblk0p2
> > rootfstype=ext4
> > elevator=deadline
> > rootwait
> > Some common options:
> > 
> > dwc_otg.speed=1
> > USB v1 speed
> > smsc95xx.turbo_mode=N
> > if the raspberrypi freezes after filling the log withe kevent
> > dropped.
> > smsc95xx.macaddr=B8:27:EB:59:EB:25
> > it will override the default mac adress with the specified one.
> > dwc_otg.microframe_schedule=1
> > console=ttyAMA0,115200
> > usbhid.mousepoll=8
> > ip=192.168.0.10
> > 
> > 
> > Play with the usbhid.mousepoll=8 options.
> > 
> > references:
> > 
> > http://elinux.org/RPi_cmdline.txt
> > 
> > https://github.com/raspberrypi/linux/issues/642
> > 
> > 
> > -eg
> > 
> That "usbhid.mousepoll=0" was not in that file, so I appended it, but
> will not reboot until I am at the machine to observe.  Thank you very
> much.
> 
> I also see that apt is upgrading 9 packages, including the raspberry 
> kernel.  So I will check when its done to see if that option
> survived.
> 
> And at the 54% mark of the unpack and install, it has crashed, or 
> disconnected my ssh login.  No, it was installing kernel headers,
> which 
> apparently took several minutes but is now progressing again. And
> that 
> setting survived the update from kernel 4.4.27 v7 to 4.4.34 v7.
> Reboot 
> in progress, uname now shows 
> 
> 4.4.34-v7+ #930 SMP Wed Nov 23 15:20:41 GMT 2016 armv7l GNU/Linux
> 
> Looks promising. Mouse is fixed.
> 
> Now I wish for more workspaces. 1 more would be a great help. I am 
> spoiled with 10 setup on this old relic phenom. :)
> 
> Thanks Eric.
> 
> Cheers, Gene Heskett


your welcome.

-eg